Shawn Johnson: 34 year-old Robert O'Ryan jumped a fence at the CBS studios where Dancing With The Stars was being filmed. The police found loaded shotgun, a loaded Colt .45 handgun and Johnson memorabilia in his car. Shawn Johnson is only 17.
John Cusack: Ursula Reichert-Habbishaw is German, 51-year-old, mother of 5. She moved to New York and faxed Gere nearly 1000 times a day.
Sandra Bullock: A dental assistant obsessed with Bullock tried to run her husband over with a car.
Lindsay Lohan: Daniel Patrick Smith became really excited when Lindslo was leaving a Phoenix club. He apparently tried to attack her as she left. He was screaming "I love her, I love her!"
Michelle Branch: In this middle of her concert Michelle Branch said, "Wait a second. There's a guy in the audience – striped shirt and glasses – can somebody check him out?' That was enough to catch Dominick Giordano.
Aly and Aj: 42-year-old Rex Mettler stalked the teenage singers by sending them emails and handwritten letters. He worked at a water bottling factory.
Catherine Zeta Jones: Dawnette Knight wrote Jones a series of letters threatening to slice her up, "Sharon Tate style."
Hillary Duff: 18-year-old Maksim Myaskovskiy threatened Duff's mother and then boyfriend Joel Madden. He claimed Joel stood in the way of his relationship with Duff.
Jodie Foster: John Warnock Hinckley Jr. became obsessed with Jodie Foster after watching Taxi Driver. He followed her to college at Yale. Eventually he threatened to kill himself in front of her to get her attention. In the end, he tried to assassinate President Reagan "Taxi Driver style."
NBA Player Luke Dalton: Stacy Elizabeth Beshear would follow the basketball player everywhere. The last straw was when she "air shot" him with her finger gun.
Jennifer Love Hewitt and Steven Spielberg: Diana Napolis was a Los Angeles social worker who claimed Spielberg was part of Satanic cult. She claimed JLH was a murderer.
Mel Gibson: Zach Sinclair claimed God sent him on a mission to pray with Mel Gibson. He was from Idaho.
John Lennon: Mark David Chapman was the man who killed John Lennon. He carried a copy of Catcher in the Rye with him everywhere claiming it explained his perspective.
Anna Kournikova: William Lepeska is a homeless man who swam across Florida's Biscayne Bay naked in search of Anna's home.
Madonna: Jonathon Sanders punched and kicked Guy Ritchie.
Britney Spears: Masahiko Shizawa was a 42-year-old Japanese businessman. He sent her photos saying he was "chasing her." He was "in love."
Colin Farrel: Dessarae Bradford confronted Farrel on a 2006 episode of the Tonight Show. She also wrote a book called "Colin Farrell Dark Twisted Puppy."
Uma Thurman: He was her first crush in high school and sent her a note that said "My hands should be on your body at all times."
David Letterman: Margaret Ray stalked Letterman's Connecticut home and slept on his tennis courts.
Martin Shaw - Sandra Price wrote a series of intimate and offensive letters to Martin Shaw. She moved to his hometown, and would walk by his house multiple times a day. She may even be on crack (seriously).